Northouse, P. G. (2016). Leadership: Theory and Practice (6th ed.). SAGE Publications India Pvt. Ltd.
Lua i Stíl Chicago (17ú heag.)Northouse, Peter Guy. Leadership: Theory and Practice. 6th ed. New Delhi: SAGE Publications India Pvt. Ltd, 2016.
Lua MLA (9ú heag.)Northouse, Peter Guy. Leadership: Theory and Practice. 6th ed. SAGE Publications India Pvt. Ltd, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.